package com.jay.tools.utils.file_util;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

import java.io.File;

@SuppressLint("NewApi")
public class AbsPathUtil {

    /**
     * 根据URI获取文件的绝对路径
     *
     * @param context
     * @param uri
     * @param key     如果为1，只有在文件存在时才返回路径
     * @return
     */
    public static String getAbsPath(final Context context, final Uri uri, int key) {
        String result = "";
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && DocumentsContract.isDocumentUri(context, uri)) {
            // DocumentProvider
            if (isExternalStorageDocument(uri)) {
                // ExternalStorageProvider
                result = getExternalStorageDocumentPath(uri);
            } else if (isDownloadsDocument(uri)) {
                // DownloadsProvider
                result = getDownloadsDocumentPath(context, uri);
            } else if (isMediaDocument(uri)) {
                // MediaProvider
                result = getMediaDocumentPath(context, uri);
            }
        } else if ("content".equalsIgnoreCase(uri.getScheme())) {
            // MediaStore (and general)
            result = getDataColumn(context, uri, null, null);
        } else if ("file".equalsIgnoreCase(uri.getScheme())) {
            // File
            result = uri.getPath();
        }

        if (key == 1) {
            File f = new File(result);
            if (f.exists()) {
//				Bitmap bitmap = BitmapFactory.decodeFile(result);
//				if (bitmap != null && bitmap.getWidth() > 0 && bitmap.getHeight() > 0) {
                return result;
//				} else {
//					return "";
//				}
            } else {
                return "";
            }
        } else {
            return result;
        }
    }

    private static String getMediaDocumentPath(Context context, Uri uri) {
        final String id = DocumentsContract.getDocumentId(uri);
        final String[] split = id.split(":");
        final String type = split[0];

        Uri contentUri = null;
        if ("image".equals(type)) {
            contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        } else if ("video".equals(type)) {
            contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
        } else if ("audio".equals(type)) {
            contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
        }

        final String selection = "_id=?";
        final String[] selectionArgs = new String[]{split[1]};
        return getDataColumn(context, contentUri, selection, selectionArgs);
    }

    private static String getDownloadsDocumentPath(Context context, Uri uri) {
        final String id = DocumentsContract.getDocumentId(uri);
        final Uri parse = Uri.parse("content://downloads/public_downloads");
        final Uri contentUri = ContentUris.withAppendedId(parse, Long.valueOf(id));
        return getDataColumn(context, contentUri, null, null);
    }

    private static String getExternalStorageDocumentPath(Uri uri) {
        final String id = DocumentsContract.getDocumentId(uri);
        final String[] split = id.split(":");
        final String type = split[0];
        if ("primary".equalsIgnoreCase(type)) {
            return Environment.getExternalStorageDirectory() + "/" + split[1];
        }
        return "";
    }

    /**
     * Get the value of the data column for this Uri. This is useful for MediaStore Uris, and other
     * file-based ContentProviders.
     *
     * @param context       The context.
     * @param uri           The Uri to query.
     * @param selection     (Optional) Filter used in the query.
     * @param selectionArgs (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {column};
        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
                    null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }

    /**
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @return Whether the Uri authority is MediaProvider.
     */
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }
}